Pointing Tip Drill Bit Kit on Aluminum Boards-Spiral Double Flute: 0.8~3.175mm
1 kit comes with 10 different bit diameters
This kit consists of well selected high precision drill bits with pointing tips for DIY projects when users need to drill holes on Aluminum boards. The bits are made of tungsten carbide which is stronger than regular high speed steel. The shank diameter is 3.175mm and the overall length is 38mm.
Material: Bit is tungsten carbide / Shank is high speed steel
Packing box: translucent plastic
Hole drilling on aluminum sheets
TD= tip diameter / FL = flute length / SHK.D = shank diameter / OVL = overall length(tolerance: +/-0.1mm)